@font-face{
    font-family: SourceHanSansSC;
    src: url(./font/SourceHanSansSC-Regular.otf);
}
*{
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
    max-height: 100%;
    box-sizing: border-box
}
a{
    text-decoration: none;
}
ul li{
    list-style: none;
}